contrib/objcwrapper: report parsing errors

[nit.git] / contrib / objcwrapper / src / objcwrapper.nit

diff --git a/contrib/objcwrapper/src/objcwrapper.nit b/contrib/objcwrapper/src/objcwrapper.nit
index a714a4d..3a941ed 100644 (file)
--- a/contrib/objcwrapper/src/objcwrapper.nit
+++ b/contrib/objcwrapper/src/objcwrapper.nit
@@ -1,3 +1,18 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Generator of Nit modules to wrap Objective-C services
 module objcwrapper
 
 import objc_visitor
@@ -12,13 +27,24 @@ var v = new Interpretor
 var g = new CodeGenerator
 
 for arg in args do
-       var file = new FileReader.open(arg)
-       var lexer = new Lexer_objc(file.read_all)
+       # Read input
+       var content = arg.to_path.read_all
+
+       # Parse
+       var lexer = new Lexer_objc(content)
        var parser = new Parser_objc
        var tokens = lexer.lex
        parser.tokens.add_all(tokens)
-       v.enter_visit(parser.parse)
-       file.close
+       var root = parser.parse
+
+       # Check for errors
+       if root isa NError then
+               print_error "Syntax Error: {root.message}: {root.position or else ""}"
+               continue
+       end
+
+       # Run analysis
+       v.enter_visit root
 end
 
 g.generator v.model.classes